+ H-Br Energy I 3. H-Br addition to 3-methylbut-1-ene forms 2-bromo-2-methylbutane as the major addition product. 1) Draw the step-by-step mechanism by which 3-methylbut-1-ene is converted into 2-bromo-2-methylbutane. A step-by-step mechanism shows i) the electron pushing arrows for each chemical step, ii) draws each intermediate or product formed by a chemical step and iii) specifies non-zero formal charges. (****Draw your mechanism so that you use the H-Br + 3-methylbut-1-ene (left edge below the graph template) as your reactants and finish your mechanism using the 2-bromo-2- methylbutane (right edge below the graph template) as your product****). 2) Sketch a reaction coordinate diagram that shows how the internal energy (Y- axis) of the reacting species change from reactants to intermediate(s) to product. Each step in a mechanism starts with the reactants of that step, crosses a transition state (an energy maximum) to form the products of that step. Position the relevant local minima and maxima in your reaction coordinate diagram above the corresponding starting material, intermediate(s) and product in your mechanism. Br
+ H-Br Energy I 3. H-Br addition to 3-methylbut-1-ene forms 2-bromo-2-methylbutane as the major addition product. 1) Draw the step-by-step mechanism by which 3-methylbut-1-ene is converted into 2-bromo-2-methylbutane. A step-by-step mechanism shows i) the electron pushing arrows for each chemical step, ii) draws each intermediate or product formed by a chemical step and iii) specifies non-zero formal charges. (****Draw your mechanism so that you use the H-Br + 3-methylbut-1-ene (left edge below the graph template) as your reactants and finish your mechanism using the 2-bromo-2- methylbutane (right edge below the graph template) as your product****). 2) Sketch a reaction coordinate diagram that shows how the internal energy (Y- axis) of the reacting species change from reactants to intermediate(s) to product. Each step in a mechanism starts with the reactants of that step, crosses a transition state (an energy maximum) to form the products of that step. Position the relevant local minima and maxima in your reaction coordinate diagram above the corresponding starting material, intermediate(s) and product in your mechanism. Br
Chapter16: Chemistry Of Benzene: Electrophilic Aromatic Substitution
Section16.SE: Something Extra
Problem 30MP: The carbocation electrophile in a Friede1-Crafts reaction can be generated by an alternate means...
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Transcribed Image Text:+
H-Br
Energy
I
3. H-Br addition to 3-methylbut-1-ene forms 2-bromo-2-methylbutane as the major
addition product.
1) Draw the step-by-step mechanism by which 3-methylbut-1-ene is converted into
2-bromo-2-methylbutane. A step-by-step mechanism shows i) the electron pushing
arrows for each chemical step, ii) draws each intermediate or product formed by a
chemical step and iii) specifies non-zero formal charges. (****Draw your
mechanism so that you use the H-Br + 3-methylbut-1-ene (left edge below the
graph template) as your reactants and finish your mechanism using the 2-bromo-2-
methylbutane (right edge below the graph template) as your product****).
2) Sketch a reaction coordinate diagram that shows how the internal energy (Y-
axis) of the reacting species change from reactants to intermediate(s) to product.
Each step in a mechanism starts with the reactants of that step, crosses a transition
state (an energy maximum) to form the products of that step. Position the relevant
local minima and maxima in your reaction coordinate diagram above the
corresponding starting material, intermediate(s) and product in your mechanism.
Br
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